Chao temporal change in capture probabilities (Mt)

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Chao (1989) presented a method for calculating population number when capture probabilities varied through time, which differed from the standard maximum likelihood estimator. However, this approach requires full individual data and therefore cannot always be used. Simply Tagging will not offer this option when only summary data are available. This will be the case when batch tagging was undertaken.

 

The results for a Chao Mt model are displayed by clicking on the Mt tab, which will appear once the model has been selected from the Closed methods drop-down menu.